How many holes does a human body actually have?

The workmanship of a major domestic new energy manufacturer's products is terrible.

wolaizhuni

3 Views

Unboxing video!! – The Mechanical Series~

jixiepangke

114 Views

The amazing workplace of skilled workers!!

jixiepangke

96 Views

They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

19 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

18 Views

Totally useless life hacks!!

jixiepangke

16 Views

I advise you to quit porn (enlarging testicles)

xuetudexin-

16 Views

Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

12 Views

Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

haoqiwanhuatong

56 Views

Skilled workers at a satisfying job site~

jixiepangke

12 Views

Decompression video of the workers series!

jixiepangke

31 Views

Why do CNC engraving machines make seasoned craftsmen both love and hate them?

jixiepangke

71 Views

Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

41 Views

How sexy is sexy lingerie?

paidahexiaokui

117 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

15 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

danzijihe_04

75 Views

A group of bees sit in a "classroom" to study. Is that so cool? In fact, they are trained little ins

YouTubejingcaishipin-

9 Views

Why doesn't it hurt when a needle is stuck in my finger?

yaki1

25 Views

When MC upgrades, it becomes more scientific, and the maximum level is beyond my imagination # Minec

Xiaomengbugugu

48 Views

What is the orpiment in falsehood?

zhengjingdezhishi

1 View